Civilization rests on the backs of its outcasts.
Nobody worries too much about job sat.
It recruits those whose histories have preadapted them to dangerous environments, people so used to broken bodies and chronic stress that life on the edge of an undersea volcano would actually be a step up.
So when civilization needs someone to run generating stations three kilometers below the surface of the Pacific, it seeks out a special sort of person for its Rifters program.
Civilization rests on the backs of its outcasts